<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=, initial-scale=1.0">
    <title>渲染页面</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }
        ul,
        ol,
        li {
            list-style: none;
        }
        ul {
            width: 100%;
            height: 60px;
            text-align: center;
            overflow: hidden;
        }
        .u li {
            float: left;
            line-height: 60px;
            width: 200px;
            cursor: pointer;
            background-color: orange;
            font-size: 30px;
        }
        div {
            width: 100%;
            height: 230px;
            border-top: 1px solid red;
            border-bottom: 1px solid red;
        }
        div > ul {
            width: 1226px;
            height: 100%;
            margin: 0,auto;
            overflow: hidden;
        }
        div ul li {
            width: calc(100% / 6 );
            height: 100%;
            float: left;
        }

    </style>
</head>
<body>
    <ul class="u">
        <li>第1个</li>
        <li>第2个</li>
        <li>第3个</li>
        <li>第4个</li>
        <li>第5个</li>
        <li>第6个</li>
        <li>第7个</li>
    </ul>
    <div>
        <ul>
            <li>1</li>
            <li>2</li>
            <li>3</li>
            <li>4</li>
            <li>5</li>
            <li>6</li>
      </ul>
    </div>
    <script></script>
</body>
</html>